Starling’s law Health Dictionary

Starling’s Law: From 1 Different Sources


a law stating that, within certain limits, a muscle (including the heart muscle) responds to increased stretching at rest by an increased force of contraction when stimulated. [E. H. Starling (1866–1927), British physiologist]
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Lawanda

(American) Form of Wanda, meaning “a wanderer” Lawandah, Lawannda, Lawahnda, Lawonda, Lawonnda, Lawohnda, Lawande, Lawandis... lawanda

Lawsonia Inermis

Linn.

Family: Lythraceae.

Habitat: Native to Arabia and Persia; now cultivated mainly in Haryana and Gujarat; to a small extent in Madhya Pradesh and Rajasthan.

English: Henna.

Ayurvedic: Madayanti, Madayan- tikaa, Mendika, Ranjaka.

Unani: Hinaa, Mehndi.

Siddha/Tamil: Marudum.

Action: Leaves—astringent, antihaemorrhagic, antispasmodic, oxytocic, antifertility, antifungal, antibacterial. Used externally to treat skin infections (tinea); also as a hair conditioner.

The Ayurvedic Pharmacopoeia ofIn- dia indicated the use of the leaves in dysuria, jaundice, bleeding disorders, ulcers, prurigo and other obstinate skin diseases. The leaf is also recommended in giddiness and vertigo.

The leaves contain naphthoqui- nones, in particular lawsone; couma- rins (laxanthone, I, II and III); flavono- ids, luteolin and its 7-O-glucoside, acacetin-7-O-glucoside; beta-sitoste- rol-3-O-glucoside; all parts contain tannins.

Chloroform and ethanol extracts of leaves exhibit promising antibacterial activity against Shigella and Vibrio cholerae. Leaf extract shows antifun- gal activity against several pathogenic bacteria and fungi.

Henna paint is used as a medicament for treatment of hands and feet for mycosis. The antimycotic activity is due to lawsone, a naphthoquinone.

The ethanol-water (1 : 1) extract of the stem bark shows hepatoprotective activity CCl4-induced liver toxicity. Stembarkand root, probably due to the presence of isoplumbagin and lawsar- itol, exhibit anti-inflammatory activity experimentally.

Evidence shows Henna leaf might be able to decrease the formation of sickled cells in individuals with sickle cell anaemia. (Natural Medicines Comprehensive Database, 2007.)

Dosage: Leaves—5-10 ml juice. (API, Vol. IV.)... lawsonia inermis

Swertia Lawii

Burkill.

Synonym: S. corymbosa var. lawii C. B. Clarke.

Family: Gentianaceae.

Habitat: Western Ghats from Maharashtra to South Kanara at 1,200 m.

Ayurvedic: Kiraatatikta (related species).

Action: Used as a substitute for Swertia chirayita.

Whole plant gave a number of xan- thones. Erythrocentaurin has also been reported from the plant.... swertia lawii

Mendel’s Laws

rules of inheritance based on the breeding experiments of the Austrian monk Gregor Mendel (1822–84), which showed that the inheritance of characteristics is controlled by particles now known as *genes. In modern terms they are as follows. (1) Each body (somatic) cell of an individual carries two factors (genes) for every characteristic and each gamete carries only one. It is now known that the genes are arranged on chromosomes, which are present in pairs in somatic cells and separate during gamete formation by the process of *meiosis. (2) Each pair of factors segregates independently of all other pairs at meiosis, so that the gametes show all possible combinations of factors. This law applies only to genes on different chromosomes; those on the same chromosome are affected by *linkage. See also dominant; recessive.... mendel’s laws



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